Home / 10,821.48-14,933.34-6,106.20

Finding the Fourth Proportional to 10,821.48, 14,933.34 and 6,106.20

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Solution

The fourth proportional to 10,821.48, 14,933.34 and 6,106.20 is: 8,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.48 : 14,933.34 = 6,106.20 : x
  2. Step 2: Convert to fraction form
    10,821.48/14,933.34 = 6,106.20/x
  3. Step 3: Cross multiply
    10,821.48x = 14,933.34 × 6,106.20
  4. Step 4: Simplify right side
    10,821.48x = 91,185,960.71
  5. Step 5: Solve for x
    x = 91,185,960.71/10,821.48
  6. Step 6: Final answer
    x = 8,426.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.